Instrument Overhaul Service of San Diego has been an FAA Certified Repair Station since 1984. Instrument Overhaul is FAA approved for all aircraft instrument ratings and types. All Instrument Overhaul Service's overhauls are performed in accordance with the Original Equipment Manufacturer's (OEM) most current maintenance data or other FAA approved technical data. All completed instrument repairs and overhauls of FAA certified TSOd or PMAd instruments are provided with FAA Form 8130 Airworthiness Certificates. Instrument Overhaul Service uses only OEM or FAA Approved replacement parts in the accomplishment of repair or overhaul work.